#A37B49
Closest named color: Puce (#A57E52). oklch(61.1% 0.083 71.4), rgb(163, 123, 73).
Aa
Black text reads best on this color (5.48:1).
About this color
#A37B49 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 61%, its chroma 0.083 and its hue 71°. Its hue sits on the warm side of the wheel. The nearest named color is Puce (#A57E52), ΔE 0.012 away. Black text reads best on it, at 5.48:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Puce (#A57E52) |
| Black text | 5.48:1 |
| White text | 3.82:1 |
Values
| HEX | #A37B49 |
| RGB | rgb(163, 123, 73) |
| HSL | hsl(33, 38%, 46%) |
| OKLCH | oklch(61.1% 0.083 71.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #A37B49 | 3.82:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #A37B49 | 5.48:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #A37B49 text on white | 3.82:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #A37B49 text on black | 5.48:1 | AA | Lc -36.0 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#EFE9E2
oklch(93.7% 0.011 71.9)
-
Step 200
200
#E3D7C9
oklch(88.5% 0.023 71.8)
-
Step 300
300
#D2BDA5
oklch(81% 0.041 70.9)
-
Step 400
400
#BB9A74
oklch(70.7% 0.065 70.4)
-
Step 500
500 (this color)
#A37B49
oklch(61.1% 0.083 71.4)
-
Step 600
600
#946A32
oklch(55.6% 0.09 71.8)
-
Step 700
700
#7E5824
oklch(49.1% 0.084 71.9)
-
Step 800
800
#674820
oklch(42.7% 0.07 70.9)
-
Step 900
900
#543D1F
oklch(37.8% 0.055 72.2)
-
Step 950
950
#312413
oklch(27.1% 0.034 73)
#A37B49 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #897D45 | 0.044 |
| Deuteranopia (no green cones) | #93864A | 0.038 |
| Tritanopia (no blue cones) | #B0716F | 0.069 |
| Achromatopsia (no color) | #828282 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37B49
#A37B49
oklch(61.1% 0.083 71.4)
- #5D87B4
#5D87B4
oklch(61.1% 0.083 250.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A37B49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Puce #A57E52 ΔE 0.012
- Tan Brown #AB7E4C ΔE 0.017
- Coffee #A6814C ΔE 0.017
- Mocha #9D7651 ΔE 0.022
- Light Brown #AD8150 ΔE 0.025
- Leather #AC7434 ΔE 0.025
- Clay Brown #B2713D ΔE 0.033
- Dark Tan #AF884A ΔE 0.042
Use #A37B49 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.